[openib-general] [Bug 90] New: IPoIB stops working after IB switch cards rebooted in loop

[bugzilla-daemon at openib.org]

http://openib.org/bugzilla/show_bug.cgi?id=90

           Summary: IPoIB stops working after IB switch cards rebooted in
                    loop
           Product: OpenFabrics Linux
           Version: 1.0rc4
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: IPoIB
        AssignedTo: bugzilla at openib.org
        ReportedBy: sweitzen at cisco.com


Cisco SQA has an automated stress test that reboots non-controller cards in a 
Topspin chassis, then tries IPoIB traffic from the first IB host on the 
network to all other IB hosts.

After looping this test ~50 times, OFED 1.0 rc4 i686 IPoIB stops working on a 
test network with a Cisco SFS-7008 and 32 PCI-X hosts (each host has 3 IPoIB 
interfaces) on it.  This test runs fine with Cisco Linux IB host drivers 
(looped it 300 times over the weekend).

I'll keep gathering more details.

I can recover IPoIB by shutting down the IPoIB interfaces and then bringing 
them back up.



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